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https://issues.apache.org/jira/browse/QPID-7082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Rudyy updated QPID-7082:
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Attachment:
QPID-7082-Stop-referencing-current-context-from-queue-immediate-delivery-context.diff
> [Java Broker] Created AccessControllerContext for SystemTasks should not
> reference current context
> --------------------------------------------------------------------------------------------------
>
> Key: QPID-7082
> URL: https://issues.apache.org/jira/browse/QPID-7082
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: qpid-java-6.0, qpid-java-6.0.1
> Reporter: Alex Rudyy
> Attachments:
> QPID-7082-Stop-referencing-current-context-from-queue-immediate-delivery-context.diff
>
>
> The code within {code}SecurityManager.getSystemTaskControllerContext(String
> taskName, Principal principal){code} creates a context which inherits from
> the current thread AcessControllerContext. This current context may contain
> references to the current user / connection / session. On queue creation an
> instance of AcessControllerContext created with
> }SecurityManager.getSystemTaskControllerContext is referenced from
> Queue#_immediateDeliveryContext. If queue is created via messaging layer, the
> existing AccessControlContext can hold references to ConnectionPrincipal and
> SessionPrincipal and their connection and session object accordingly. As
> result, Queue#_immediateDeliveryContext can refer ConnectionPrincipal and
> SessionPrincipa preventing garbage collection of corresponding AMQPConnection
> and AMQSessionModel objects for the duration of the queue life. With lots of
> long lived queues that were created by lots of different connections the
> broker memory consumption might grow in time and eventially Broker can run
> OOM if not bounced.
> The AccessContollerContext created by the method should not inherit and
> context, and thus no references to users/connection/sessions etc. will be
> retained.
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